<?php

/**
 * Project:     Smarty: the PHP compiling template engine
 * File:        smarty_internal_utility.php
 * SVN:         $Id: $
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For questions, help, comments, discussion, etc., please join the
 * Smarty mailing list. Send a blank e-mail to
 * smarty-discussion-subscribe@googlegroups.com
 *
 * @link http://www.smarty.net/
 * @copyright 2008 New Digital Group, Inc.
 * @author Monte Ohrt <monte at ohrt dot com>
 * @author Uwe Tews
 * @package Smarty
 * @subpackage PluginsInternal
 * @version 3-SVN$Rev: 3286 $
 */

class Smarty_Internal_Utility {
	protected $smarty;
	
	function __construct($smarty) {
		$this->smarty = $smarty;
	}
	
	/**
	 * Compile all template files
	 *
	 * @param string $extension file extension
	 * @param bool $force_compile force all to recompile
	 * @param int $time_limit
	 * @param int $max_errors
	 * @return integer number of template files recompiled
	 */
	function compileAllTemplates($extention = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null) {
		// switch off time limit
		if (function_exists ( 'set_time_limit' )) {
			@set_time_limit ( $time_limit );
		}
		$this->smarty->force_compile = $force_compile;
		$_count = 0;
		$_error_count = 0;
		// loop over array of template directories
		foreach ( ( array ) $this->smarty->template_dir as $_dir ) {
			if (strpos ( '/\\', substr ( $_dir, - 1 ) ) === false) {
				$_dir .= DS;
			}
			$_compileDirs = new RecursiveDirectoryIterator ( $_dir );
			$_compile = new RecursiveIteratorIterator ( $_compileDirs );
			foreach ( $_compile as $_fileinfo ) {
				if (substr ( $_fileinfo->getBasename (), 0, 1 ) == '.')
					continue;
				$_file = $_fileinfo->getFilename ();
				if (! substr_compare ( $_file, $extention, - strlen ( $extention ) ) == 0)
					continue;
				if ($_fileinfo->getPath () == substr ( $_dir, 0, - 1 )) {
					$_template_file = $_file;
				} else {
					$_template_file = substr ( $_fileinfo->getPath (), strlen ( $_dir ) ) . DS . $_file;
				}
				echo '<br>', $_dir, '---', $_template_file;
				flush ();
				$_start_time = microtime ( true );
				try {
					$_tpl = $this->smarty->createTemplate ( $_template_file, null, null, null, false );
					if ($_tpl->mustCompile ()) {
						$_tpl->compileTemplateSource ();
						echo ' compiled in  ', microtime ( true ) - $_start_time, ' seconds';
						flush ();
					} else {
						echo ' is up to date';
						flush ();
					}
				} catch ( Exception $e ) {
					echo 'Error: ', $e->getMessage (), "<br><br>";
					$_error_count ++;
				}
				// free memory
				$this->smarty->template_objects = array ();
				$_tpl->smarty->template_objects = array ();
				$_tpl = null;
				if ($max_errors !== null && $_error_count == $max_errors) {
					echo '<br><br>too many errors';
					exit ();
				}
			}
		}
		return $_count;
	}
	
	/**
	 * Compile all config files
	 *
	 * @param string $extension file extension
	 * @param bool $force_compile force all to recompile
	 * @param int $time_limit
	 * @param int $max_errors
	 * @return integer number of template files recompiled
	 */
	function compileAllConfig($extention = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null) {
		// switch off time limit
		if (function_exists ( 'set_time_limit' )) {
			@set_time_limit ( $time_limit );
		}
		$this->smarty->force_compile = $force_compile;
		$_count = 0;
		$_error_count = 0;
		// loop over array of template directories
		foreach ( ( array ) $this->smarty->config_dir as $_dir ) {
			if (strpos ( '/\\', substr ( $_dir, - 1 ) ) === false) {
				$_dir .= DS;
			}
			$_compileDirs = new RecursiveDirectoryIterator ( $_dir );
			$_compile = new RecursiveIteratorIterator ( $_compileDirs );
			foreach ( $_compile as $_fileinfo ) {
				if (substr ( $_fileinfo->getBasename (), 0, 1 ) == '.')
					continue;
				$_file = $_fileinfo->getFilename ();
				if (! substr_compare ( $_file, $extention, - strlen ( $extention ) ) == 0)
					continue;
				if ($_fileinfo->getPath () == substr ( $_dir, 0, - 1 )) {
					$_config_file = $_file;
				} else {
					$_config_file = substr ( $_fileinfo->getPath (), strlen ( $_dir ) ) . DS . $_file;
				}
				echo '<br>', $_dir, '---', $_config_file;
				flush ();
				$_start_time = microtime ( true );
				try {
					$_config = new Smarty_Internal_Config ( $_config_file, $this->smarty );
					if ($_config->mustCompile ()) {
						$_config->compileConfigSource ();
						echo ' compiled in  ', microtime ( true ) - $_start_time, ' seconds';
						flush ();
					} else {
						echo ' is up to date';
						flush ();
					}
				} catch ( Exception $e ) {
					echo 'Error: ', $e->getMessage (), "<br><br>";
					$_error_count ++;
				}
				if ($max_errors !== null && $_error_count == $max_errors) {
					echo '<br><br>too many errors';
					exit ();
				}
			}
		}
		return $_count;
	}
	
	/**
	 * Delete compiled template file
	 *
	 * @param string $resource_name template name
	 * @param string $compile_id compile id
	 * @param integer $exp_time expiration time
	 * @return integer number of template files deleted
	 */
	function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null) {
		$_compile_id = isset ( $compile_id ) ? preg_replace ( '![^\w\|]+!', '_', $compile_id ) : null;
		$_dir_sep = $this->smarty->use_sub_dirs ? DS : '^';
		if (isset ( $resource_name )) {
			$_resource_part_1 = $resource_name . '.php';
			$_resource_part_2 = $resource_name . '.cache' . '.php';
		} else {
			$_resource_part = '';
		}
		$_dir = $this->smarty->compile_dir;
		if ($this->smarty->use_sub_dirs && isset ( $_compile_id )) {
			$_dir .= $_compile_id . $_dir_sep;
		}
		if (isset ( $_compile_id )) {
			$_compile_id_part = $this->smarty->compile_dir . $_compile_id . $_dir_sep;
		}
		$_count = 0;
		$_compileDirs = new RecursiveDirectoryIterator ( $_dir );
		$_compile = new RecursiveIteratorIterator ( $_compileDirs, RecursiveIteratorIterator::CHILD_FIRST );
		foreach ( $_compile as $_file ) {
			if (substr ( $_file->getBasename (), 0, 1 ) == '.')
				continue;
			if ($_file->isDir ()) {
				if (! $_compile->isDot ()) {
					// delete folder if empty
					@rmdir ( $_file->getPathname () );
				}
			} else {
				if ((! isset ( $_compile_id ) || (strlen ( ( string ) $_file ) > strlen ( $_compile_id_part ) && substr_compare ( ( string ) $_file, $_compile_id_part, 0, strlen ( $_compile_id_part ) ) == 0)) && (! isset ( $resource_name ) || (strlen ( ( string ) $_file ) > strlen ( $_resource_part_1 ) && substr_compare ( ( string ) $_file, $_resource_part_1, - strlen ( $_resource_part_1 ), strlen ( $_resource_part_1 ) ) == 0) || (strlen ( ( string ) $_file ) > strlen ( $_resource_part_2 ) && substr_compare ( ( string ) $_file, $_resource_part_2, - strlen ( $_resource_part_2 ), strlen ( $_resource_part_2 ) ) == 0))) {
					if (isset ( $exp_time )) {
						if (time () - @filemtime ( $_file ) >= $exp_time) {
							$_count += @unlink ( ( string ) $_file ) ? 1 : 0;
						}
					} else {
						$_count += @unlink ( ( string ) $_file ) ? 1 : 0;
					}
				}
			}
		}
		return $_count;
	}
	
	/**
	 * Return array of tag/attributes of all tags used by an template
	 *
	 * @param object $templae template object
	 * @return array of tag/attributes
	 */
	function getTags(Smarty_Internal_Template $template) {
		$template->smarty->get_used_tags = true;
		$template->compileTemplateSource ();
		return $template->compiler_object->used_tags;
	}
	
	function testInstall() {
		echo "<PRE>\n";
		
		echo "Smarty Installation test...\n";
		
		echo "Testing template directory...\n";
		
		foreach ( ( array ) $this->smarty->template_dir as $template_dir ) {
			if (! is_dir ( $template_dir ))
				echo "FAILED: $template_dir is not a directory.\n";
			elseif (! is_readable ( $template_dir ))
				echo "FAILED: $template_dir is not readable.\n";
			else
				echo "$template_dir is OK.\n";
		}
		
		echo "Testing compile directory...\n";
		
		if (! is_dir ( $this->smarty->compile_dir ))
			echo "FAILED: {$this->smarty->compile_dir} is not a directory.\n";
		elseif (! is_readable ( $this->smarty->compile_dir ))
			echo "FAILED: {$this->smarty->compile_dir} is not readable.\n";
		elseif (! is_writable ( $this->smarty->compile_dir ))
			echo "FAILED: {$this->smarty->compile_dir} is not writable.\n";
		else
			echo "{$this->smarty->compile_dir} is OK.\n";
		
		echo "Testing plugins directory...\n";
		
		foreach ( ( array ) $this->smarty->plugins_dir as $plugin_dir ) {
			if (! is_dir ( $plugin_dir ))
				echo "FAILED: $plugin_dir is not a directory.\n";
			elseif (! is_readable ( $plugin_dir ))
				echo "FAILED: $plugin_dir is not readable.\n";
			else
				echo "$plugin_dir is OK.\n";
		}
		
		echo "Testing cache directory...\n";
		
		if (! is_dir ( $this->smarty->cache_dir ))
			echo "FAILED: {$this->smarty->cache_dir} is not a directory.\n";
		elseif (! is_readable ( $this->smarty->cache_dir ))
			echo "FAILED: {$this->smarty->cache_dir} is not readable.\n";
		elseif (! is_writable ( $this->smarty->cache_dir ))
			echo "FAILED: {$this->smarty->cache_dir} is not writable.\n";
		else
			echo "{$this->smarty->cache_dir} is OK.\n";
		
		echo "Testing configs directory...\n";
		
		if (! is_dir ( $this->smarty->config_dir ))
			echo "FAILED: {$this->smarty->config_dir} is not a directory.\n";
		elseif (! is_readable ( $this->smarty->config_dir ))
			echo "FAILED: {$this->smarty->config_dir} is not readable.\n";
		else
			echo "{$this->smarty->config_dir} is OK.\n";
		
		echo "Tests complete.\n";
		
		echo "</PRE>\n";
		
		return true;
	}
}
?>